Dr. Hickman attended the University of Texas Medical Branch in Galveston, Texas, where he received his medical degree at the age of 23. He found himself drawn to surgery and was admitted to the General Surgery Residency at the University of Texas Health Science Center at San Antonio, where he trained for five years. It was during this time he was first introduced to microsurgery. Afterwards, he had the privilege to spend almost a year in Edinburgh, Scotland as Senior Clinical Fellow of Thoracic (chest) Surgery prior to entering private practice in New Braunfels, Texas in 1988.